18-DE01D1-8 17
Installer’s Guide
T
w
o
(
2
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p
r
o
b
l
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m
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p
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c
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:
1
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S
oo
t
b
u
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d
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occ
u
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of
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il
b
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r
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.
g
.
t
h
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p
r
i
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a
r
y
co
n
t
r
o
l
f
l
a
m
e
s
e
n
s
o
r
(
“
c
a
d
c
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ll
”
)
,
t
h
e
b
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r
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e
r
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e
a
d
,
a
n
d
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il
n
o
zz
l
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.
2
)
S
e
v
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e
d
a
m
a
g
e
m
a
y
occ
u
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t
o
e
x
t
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r
n
a
l
s
u
r
f
a
c
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s
of
t
h
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i
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a
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co
n
t
i
nu
a
ll
y
p
r
o
d
u
c
e
s
a
h
i
g
h
l
e
v
e
l
of
s
m
o
k
e
i
n
t
h
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f
l
u
e
g
a
s
e
s
.
E
x
c
e
ss
s
m
o
k
e
a
n
d
s
oo
t
c
a
n
b
e
p
r
o
d
u
c
e
d
fo
r
m
a
n
y
r
e
a
s
o
n
s
,
s
o
m
e
of
w
h
i
c
h
c
a
nn
o
t
b
e
s
u
cc
e
ss
f
u
ll
y
co
n
-
t
r
o
ll
e
d
b
y
t
h
e
i
n
s
t
a
ll
e
r
a
n
d
t
h
e
a
pp
li
a
n
c
e
m
a
nu
f
a
c-
t
u
r
e
r
.
NOTICE: The manufacturer recommends the use of a
chimney to vent residential oil furnaces. If a power ven-
ter must be used, it is the responsibility of the installer
and power venter manufacturer to design, assemble,
and demonstrate proper operation of the power vent-
ing system with the furnace.
DUCT WORK AND AIR CONDITIONING
A
i
r
d
u
c
t
s
y
s
t
e
m
s
s
h
o
u
l
d
b
e
i
n
s
t
a
ll
e
d
i
n
a
cco
r
d
a
n
c
e
w
i
t
h
s
t
a
n
d
a
r
d
s
fo
r
a
i
r
co
n
d
i
t
i
o
n
i
n
g
s
y
s
t
e
m
s
,
N
a
t
i
o
n
a
l
F
i
r
e
P
r
o
t
e
c
t
i
o
n
A
ss
oc
i
a
t
i
o
n
P
a
m
p
h
l
e
t
N
o
. 90.
T
h
e
y
s
h
o
u
l
d
b
e
s
i
z
e
d
i
n
a
cco
r
d
a
n
c
e
w
i
t
h
A
CC
A
M
a
nu
a
l
D
o
r
w
h
i
c
h
e
v
e
r
i
s
a
pp
li
c
a
b
l
e
.
A
ll
f
u
r
n
a
c
e
s
a
r
e
t
e
s
t
e
d
o
v
e
r
a
r
a
n
g
e
of
e
x
t
e
r
n
a
l
s
t
a
t
i
c
p
r
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ss
u
r
e
t
h
a
t
s
i
m
u
l
a
t
e
s
t
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e
a
i
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l
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w
r
e
s
i
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t
a
n
c
e
of
t
h
e
d
u
c
t
w
o
r
k
,
f
i
tt
i
n
g
s
,
a
n
d
d
i
ff
u
s
e
r
s
co
nn
e
c
t
e
d
t
o
t
h
e
f
u
r
-
n
a
c
e
fo
r
a
t
y
p
i
c
a
l
(
a
v
e
r
a
g
e
)
d
u
c
t
s
y
s
t
e
m
.
T
h
e
f
u
r
n
a
c
e
b
l
o
w
e
r
a
n
d
b
l
o
w
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r
m
o
t
o
r
h
a
v
e
b
ee
n
s
e
l
e
c
t
e
d
t
o
w
o
r
k
s
u
cc
e
ss
f
u
ll
y
a
g
a
i
n
s
t
t
h
e
fo
ll
o
w
i
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g
r
a
n
g
e
of
d
u
c
t
s
y
s
t
e
m
r
e
s
i
s
t
a
n
c
e
.
R
e
co
mm
e
n
d
e
d
r
a
n
g
e
of
d
u
c
t
s
y
s
t
e
m
r
e
s
i
s
t
a
n
c
e
fo
r
a
ll
m
o
d
e
l
s
:
0.2
t
o
0.5
i
n
.
W
.
G
.
e
x
t
e
r
n
a
l
s
t
a
t
i
c
p
r
e
ss
u
r
e
.
D
u
e
t
o
t
h
e
n
ee
d
t
o
m
a
i
n
t
a
i
n
a
n
a
d
e
q
u
a
t
e
s
u
pp
l
y
of
co
m
-
b
u
s
t
i
o
n
a
n
d
v
e
n
t
il
a
t
i
o
n
a
i
r
,
t
h
e
f
u
r
n
a
c
e
s
h
a
ll
n
o
t
b
e
i
n
-
s
t
a
ll
e
d
i
n
a
s
m
a
ll
r
oo
m
w
i
t
h
o
u
t
a
r
e
t
u
r
n
a
i
r
d
u
c
t
s
y
s
-
t
e
m
.
A
d
u
c
t
t
h
e
f
u
ll
s
i
z
e
of
t
h
e
f
u
r
n
a
c
e
r
e
t
u
r
n
a
i
r
o
p
e
n
i
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g
s
h
a
ll
e
x
t
e
n
d
t
o
a
l
oc
a
t
i
o
n
o
u
t
s
i
d
e
t
h
e
f
u
r
n
a
c
e
r
oo
m
.
I
f
t
h
e
f
u
r
n
a
c
e
i
s
u
s
e
d
i
n
co
nn
e
c
t
i
o
n
w
i
t
h
coo
li
n
g
/
h
e
a
t
p
u
m
p
s
y
s
t
e
m
s
,
a
3
"
m
i
n
i
m
u
m
l
o
n
g
t
r
a
n
s
i
t
i
o
n
m
u
s
t
b
e
i
n
s
t
a
ll
e
d
b
e
t
w
ee
n
t
h
e
f
u
r
n
a
c
e
s
u
pp
l
y
a
i
r
o
u
t
l
e
t
a
n
d
t
h
e
e
v
a
p
o
r
a
t
o
r
co
il
s
u
pp
l
y
a
i
r
i
n
l
e
t
t
o
p
r
e
v
e
n
t
o
v
e
r
h
e
a
t
i
n
g
of
t
h
e
e
v
a
p
o
r
a
t
o
r
co
il
d
r
a
i
n
p
a
n
.
S
ee
p
a
g
e
10
fo
r
s
p
e
c
i
f
i
c
l
a
y
o
u
t
a
n
d
d
i
m
e
n
s
i
o
n
s
.
WARNING
!
OVERHEATING HAZARD!
Failure to maintain a minimum of 3" separation from
the furnace heat exchanger and the evaporator coil
drain pan may cause drain pan damage.
I
f
t
h
e
f
u
r
n
a
c
e
i
s
u
s
e
d
i
n
co
nn
e
c
t
i
o
n
w
i
t
h
s
u
mm
e
r
a
i
r
co
n
d
i
t
i
o
n
i
n
g
(coo
li
n
g
)
,
t
h
e
f
u
r
n
a
c
e
s
h
o
u
l
d
b
e
i
n
s
t
a
ll
e
d
i
n
p
a
r
a
ll
e
l
w
i
t
h
,
o
r
o
n
t
h
e
u
p
s
t
r
e
a
m
s
i
d
e
of
,
t
h
e
e
v
a
p
o
r
a
t
o
r
co
il
t
o
a
v
o
i
d
w
a
t
e
r
v
a
p
o
r
co
n
d
e
n
s
a
t
i
o
n
i
n
t
h
e
f
u
r
n
a
c
e
h
e
a
t
e
x
c
h
a
n
g
e
r
.
I
f
t
h
e
coo
li
n
g
un
i
t
i
s
i
n
s
t
a
ll
e
d
i
n
a
p
a
r
a
ll
e
l
f
l
o
w
a
rr
a
n
g
e
-
m
e
n
t
,
d
a
m
p
e
r
s
(o
r
o
t
h
e
r
m
e
a
n
s
u
s
e
d
t
o
co
n
t
r
o
l
a
i
r
f
l
o
w
)
s
h
o
u
l
d
b
e
p
r
o
v
i
d
e
d
t
o
p
r
e
v
e
n
t
c
h
ill
e
d
a
i
r
f
r
o
m
e
n
t
e
r
i
n
g
t
h
e
f
u
r
n
a
c
e
.
I
f
s
u
c
h
a
d
a
m
p
e
r
i
s
m
a
nu
a
ll
y
o
p
e
r
a
t
e
d
,
i
t
m
u
s
t
b
e
e
q
u
i
pp
e
d
w
i
t
h
a
m
e
a
n
s
t
o
p
r
e
v
e
n
t
o
p
e
r
a
t
i
o
n
of
e
i
t
h
e
r
un
i
t
,
un
l
e
ss
t
h
e
d
a
m
p
e
r
i
s
p
l
a
c
e
d
i
n
e
i
t
h
e
r
t
h
e
f
u
ll
h
e
a
t
o
r
f
u
ll
coo
l
p
o
s
i
t
i
o
n
.
NOTICE: Return air grilles and supply registers in the
air distribution system should never be obstructed.
AIR FILTER MOUNTING
CAUTION
!
POSSIBLE CASING DAMAGE!
If cutting openings in the furnace casing is required,
DO NOT cut any supporting clips or angles. Cut as
close to the scribed line as possible, but DO NOT cut
the base clip or blower pan support angle.
L
o
w
b
o
y
f
u
r
n
a
c
e
s
a
r
e
f
a
c
t
o
r
y
-
e
q
u
i
pp
e
d
w
i
t
h
c
l
e
a
n
a
b
l
e
-
t
y
p
e
,
a
i
r
f
il
t
e
r
s
l
oc
a
t
e
d
a
b
o
v
e
t
h
e
b
l
o
w
e
r
co
m
p
a
r
t
m
e
n
t
,
i
n
t
h
e
r
e
a
r
of
t
h
e
f
u
r
n
a
c
e
s
.
H
i
g
h
b
o
y
f
u
r
n
a
c
e
s
s
h
i
p
w
i
t
h
a
n
e
x
t
e
r
n
a
l
f
il
t
e
r
r
a
c
k
&
c
l
e
a
n
a
b
l
e
-
t
y
p
e
f
il
t
e
r
.
NOTICE: Downflow/ horizontal furnaces are not factory-
equipped with an air filter or filter rack.
F
u
r
t
h
e
r
m
o
r
e
,
t
h
e
f
u
r
n
a
c
e
b
l
o
w
e
r
co
m
p
a
r
t
m
e
n
t
d
o
e
s
n
o
t
co
n
t
a
i
n
e
n
o
u
g
h
f
r
ee
s
p
a
c
e
t
o
p
e
r
m
i
t
a
n
a
i
r
f
il
t
e
r
t
o
b
e
m
o
un
t
e
d
w
i
t
h
i
n
t
h
e
f
u
r
n
a
c
e
c
a
s
i
n
g
.
T
h
e
i
n
s
t
a
ll
e
r
s
h
o
u
l
d
s
u
pp
l
y
,
o
r
f
a
b
r
i
c
a
t
e
,
a
f
il
t
e
r
r
a
c
k
a
n
d
m
o
un
t
a
n
a
i
r
f
il
t
e
r
i
n
t
h
e
r
e
t
u
r
n
a
i
r
p
l
e
nu
m
a
b
o
v
e
,
o
r
u
p
s
t
r
e
a
m
of
,
t
h
e
f
u
r
n
a
c
e
b
l
o
w
e
r
co
m
p
a
r
t
m
e
n
t
.
w
Cutaway view o
f
f
an section o
f
a typical highboy
f
urnace.
O
n
t
h
e
h
i
g
h
b
o
y
f
u
r
n
a
c
e
,
i
t
i
s
n
e
c
e
ss
a
r
y
t
o
c
u
t
t
h
e
r
e
-
t
u
r
n
a
i
r
o
p
e
n
i
n
g
i
n
t
h
e
l
o
w
e
r
s
i
d
e
,
o
r
r
e
a
r
,
of
t
h
e
c
a
s
i
n
g
d
e
p
e
n
d
i
n
g
u
p
o
n
t
h
e
n
ee
d
s
of
t
h
e
s
p
e
c
i
f
i
c
i
n
s
t
a
ll
a
t
i
o
n
,
r
e
-
f
e
r
t
o
F
i
g
u
r
e
12.
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